Melinda goes bowling on Saturday afternoon, she bowls three games and pays for shoe rental. Define a variable and write an expre
2 answers:
Answer:
<h2>The total cost is $12 plues the cost for shoe rental.</h2>Step-by-step explanation:
Givens
- One game costs $4.
- Melinda bowls three games.
- She pays for shoe rental.
We don't know how much Melinda pays for shoe rental, so that price is gonna be . What we know is that the initial condition is
, because at the beginning, that's what she pays.
Also, we know that each game is $4, that means the constant ratio of change is gonna be $4. So, if represents cost,
represents shoe rental and
represents games, the expresison that models this situation is
Which described that the total costs depends on the total games Melinda is gonna play, and show rental is a constant and initial condition, because the price for shoes won't change.
In the case that Melinda bowls three games, we have , replecing this value
Therefore, the total cost is $12 plues the cost for shoe rental.
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A rational number is a number which can be expressed as a fraction whose numerator and denominator are both integers and whose denominator is not equal to zero. Rational numbers include all integers, fractions, mixed numbers, and some decimal numbers.
Note : All terminating and repeating decimal numbers are rational numbers because those numbers can be expressed as a fraction. On the other hand, a non repeating number and non terminating decimal, like square root of 2, is an irrational number.
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